Topic: Honda SOHC Race Bike Gallery

[malcolmgb]

I'm surprised nobody has added this yet, the lovely 500 that TG showed us a while back here: http://forums.sohc4.net/index.php?topic=37074.msg382765#msg382765

Thanks for resurrecting this I missed it first time around. Also agree with your comment in the earlier post about this being a 'Race Bike Gallery' thread.

[Yoshi823]

I'm surprised nobody has added this yet, the lovely 500 that TG showed us a while back here: http://forums.sohc4.net/index.php?topic=37074.msg382765#msg382765

LOVE that bike. Really love it.

(TG, do you know where that bike is now, did the magazine say? Is it still in Italia, or back in Japan?)

I had a feeling that I had seen this bike before...but I couldn't remember where. It's been on my mind most of the day, & have just managed to find what I was looking for. Please don't ask me where I got it from...I think that it was out of a French magazine from many years ago....


The names on the side of the fairing is Chemarin & a H.Rigal. I recognise the first name but not the second...maybe Hubert?

[voxonda]

Yes, that should be Hubert Rigal. It is the famous 3-valve CB500R (749cc). They rode it in the Bol d'or.

[von_Wanderlust]

Wow, nice. 3 valves per cylinder? I didn't realise they experimented with that.    Found some more info on this page, http://www.bonhuil.com/Rigal2.html, machine translated below:

    "1974, I find myself with Jean Claude Chemarin Official Honda Pilot France for endurance. Earlier this season, receives a strange bike. 500 A four cylinder speed réalésée to 700 cc with distribution by cascade of gears, three valves per cylinder, and developed by Sumiya to HRC. What's that you say is chmilblick with Jean Claude. In fact, chmilblick in question was a real fighter. For example, Miles 1000 Le Mans 74. start heads, I'm going to head, and after one lap, when I come in Dunlop, the second was barely connecting. I had glued them all straight in a turn. Fighter I say. Except ... the second lap, I took everything in the mug. This machine cold throughout the world, but never finished a race. She spends peaceful days at the museum Honda at Motegi."

[1080]

Bob Totty's 1213cc honda story was in Street Chopper Feb'84.

[MRieck]

I remember reading that article

[MRieck]

I got some stories,kawi pump gas---check deck,valve to piston,and valve to valve--sweez'in soulder V2V and V2P and deck--check V2V with bent wire tie--"make it lighter and wind it tighter"

Dude...I follow you but how about a more cognitive flow? Valve to piston using solder, valve to valve with big valves in a 900/1000 head, deck, etc, etc I assume. Some of us have been there and done that too. Russ ripped you off? Geez.......I cannot believe it Ripped off paint schemes from the 70's.......no way!!!!! That S happened....some of it happened to us too. Slow down, explain things....like how Collins ripped you off (you ain't the only one) and get it out. No offense but you are a train wreck when writing stuff.
  I 'll put this out there. What did you run deck at with that old Kawasaki? How tight was squish? Did you tap the head? What did you run valve to valve WITH Ti valves. Did Del West rip you off too? How far did you sink the exhaust valve with a "big" valve to get valve to valve. How much did it kill flow? Did you use stock rods? Who built the crank? I can go on forever.

[kos]

I got some stories,kawi pump gas---check deck,valve to piston,and valve to valve--sweez'in soulder V2V and V2P and deck--check V2V with bent wire tie--"make it lighter and wind it tighter"

Dude...I follow you but how about a more cognitive flow? Valve to piston using solder, valve to valve with big valves in a 900/1000 head, deck, etc, etc I assume. Some of us have been there and done that too. Russ ripped you off? Geez.......I cannot believe it Ripped off paint schemes from the 70's.......no way!!!!! That S happened....some of it happened to us too. Slow down, explain things....like how Collins ripped you off (you ain't the only one) and get it out. No offense but you are a train wreck when writing stuff.
  I 'll put this out there. What did you run deck at with that old Kawasaki? How tight was squish? Did you tap the head? What did you run valve to valve WITH Ti valves. Did Del West rip you off too? How far did you sink the exhaust valve with a "big" valve to get valve to valve. How much did it kill flow? Did you use stock rods? Who built the crank? I can go on forever.

Mike, he's a drag racer....they speak in code!

KOS

[MRieck]

I got some stories,kawi pump gas---check deck,valve to piston,and valve to valve--sweez'in soulder V2V and V2P and deck--check V2V with bent wire tie--"make it lighter and wind it tighter"

Dude...I follow you but how about a more cognitive flow? Valve to piston using solder, valve to valve with big valves in a 900/1000 head, deck, etc, etc I assume. Some of us have been there and done that too. Russ ripped you off? Geez.......I cannot believe it Ripped off paint schemes from the 70's.......no way!!!!! That S happened....some of it happened to us too. Slow down, explain things....like how Collins ripped you off (you ain't the only one) and get it out. No offense but you are a train wreck when writing stuff.
  I 'll put this out there. What did you run deck at with that old Kawasaki? How tight was squish? Did you tap the head? What did you run valve to valve WITH Ti valves. Did Del West rip you off too? How far did you sink the exhaust valve with a "big" valve to get valve to valve. How much did it kill flow? Did you use stock rods? Who built the crank? I can go on forever.

Mike, he's a drag racer....they speak in code!

KOS

Morse code??   It's all clicks and pops to me baby.

[nashvilletn]

 make torque--HP will come----

[MRieck]

i spent better part of winter clean'in up head--sent   it to  R.C.,vance and hines leaves rc ---you don't wanna here the rest--

Aww come on....you are teasing now bro.

[Phil]

I am in the process of buying this Dresda framed Gl1000. It is claimed to have been raced in the IOM by Hugh Evans (a Mocheck Honda rider) achieving a 110mph lap, but I and the frame builder Dave Degens, doubt this as there was no class that it was eligible for BUT, does anybody know differently? What is known is that the engine was tuned by Ken Hull (of Honda and YAHTOF fame) for use in sidecar racing. It was not raced in an outfit but was taken to Dresda to have a frame made for, possibly, endurance racing and road use. I have photographs of the directors of Mocheck with the bike outside their London shop.  Can anybody remember this beast racing?

[Yoshi823]

I am in the process of buying this Dresda framed Gl1000. It is claimed to have been raced in the IOM by Hugh Evans (a Mocheck Honda rider) achieving a 110mph lap, but I and the frame builder Dave Degens, doubt this as there was no class that it was eligible for BUT, does anybody know differently? What is known is that the engine was tuned by Ken Hull (of Honda and YAHTOF fame) for use in sidecar racing. It was not raced in an outfit but was taken to Dresda to have a frame made for, possibly, endurance racing and road use. I have photographs of the directors of Mocheck with the bike outside their London shop.  Can anybody remember this beast racing?

This seems very familiar...i'll have to drag out the mags from yesteryear tho'...

[Ecosse]

a dresda gl? now i've seen everything.


or have i? 

[von_Wanderlust]

From the book: 'Japanese Production Racing Motorcycles'‎ by Mick Walker.

Bill Smith and his Yoshimura tuned CB500 before the '73 Senior TT.
A CB500 only labelled as "German-entered CB500 four", '73 Barcelona 24hr race.
McGurk, CB500, Production TT, "mid 1970s". (Rider name not listed in the book, but can read McGurk on the fairing.)

[turboguzzi]

I'm surprised nobody has added this yet, the lovely 500 that TG showed us a while back here: http://forums.sohc4.net/index.php?topic=37074.msg382765#msg382765

Thanks for resurrecting this I missed it first time around. Also agree with your comment in the earlier post about this being a 'Race Bike Gallery' thread.

a rumor i heard was that honda did want the bike back, have no updated info wether the bike is still in italy

BTW, honda didnt just experiment with three valves, the CB400N twin HAS three valves....

[kos]

Honda has many three valve motors...take a look at teir VF750 1982 Furst V-Twin harle looking cruiser and it's later cousins.

Works well, and at least it works vs the english idea of proper combustion process the AJS, "Triple Knocker" which had two exhausts and one intake.


KOS

[hailwood]

hello,
I'm new on this forum i,m building three CB750 race "racebikes"not ready yet a early Dresda a RCB and a Egli replica.
this is a fantastic forum love to read it.

greetings Ed(Holland)   

[hailwood]

front view..

[hailwood]

early Dresda

Gr Ed..

[turboguzzi]

nice stuff ed, we have a few dutch racer here in the forum

[hailwood]

thanks,still lots of work to do the RCB is in the early stages but where getting there...some day.
i know Voxonda he builds all my special parts i real craftsman.

Gr Ed..

[turboguzzi]

I am in the process of buying this Dresda framed Gl1000. It is claimed to have been raced in the IOM by Hugh Evans (a Mocheck Honda rider) achieving a 110mph lap, but I and the frame builder Dave Degens, doubt this as there was no class that it was eligible for BUT, does anybody know differently? What is known is that the engine was tuned by Ken Hull (of Honda and YAHTOF fame) for use in sidecar racing. It was not raced in an outfit but was taken to Dresda to have a frame made for, possibly, endurance racing and road use. I have photographs of the directors of Mocheck with the bike outside their London shop.  Can anybody remember this beast racing?

kind of missed that before, but some crazy french did race a GL1000 in the bol d'or.

this looks like the original one

and at the tend of the day, it's a SOHC4!

[Gonzowerke]

I like the use of what look like CBR600 wheels on this bike.

Someone on the old Dorje mailing list was posting about his conversion to CBR600F wheels and forks. I lost contact with the group before seeing the end of that project.

[paulages]

ignore the headlight... it'll come off for the track.